Question

Use the substitution method to solve the system.

Answer 1

M + n = 5......m = 5 - n
m - n = 3

5 - n - n = 3
5 - 2n = 3
5 - 3 = 2n
2 = 2n
2/2 = n
1 = n

m - n = 3
m - 1 = 3
m = 3 + 1
m = 4

solution is (4,1)